breather cover filter ?

[Tang]

ok i did my valves the other day and i forgot to put in the little metal filter looking thing that goes inside breather cover

and come to find out i lost mine :-(

is it vital to my motorcycles performance

and if so where can i find one?

[w00derson]

http://www.mrcycles.com/fiche_section_detail.asp

Go through and select your bike. Then select "cylinder head cover". It is number 7 on the diagram. I have ordered a bunch of stuff from that site, they are good. 

[ben2go]

You can also use fine steel wool without soap or detergent add to it like SOS.